#!/usr/bin/perl -w
 $tag= "al";
 opendir (DIR_B, "..");
 $c= 0;
 {TEMP:
 while(my $job_B=readdir(DIR_B)){ 
     print "D $c\n";
     
     next unless $job_B =~ /Out_$tag\.txt$/;
       }
 }
print "DONE\n";
close (DIR_B);opendir (DIR_B, "..");
  goto ("TEMP");
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this will scan the directory. once it finishes reading itll close the file handle for a new one or the same or whatever. You need to be more specific but this might be the goto you were looking for